linux-kernel - Re: WARNING: CPU: 1 PID: 23 at kernel/workqueue.c:4317 enable_work (kernel/workqueue.c:4317 (discriminator 1) kernel/workqueue.c:4488 (discriminator 1))

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Message-ID: <Z32DWiVJr2tr-a0x@slm.duckdns.org>
Date: Tue, 7 Jan 2025 09:41:14 -1000
From: Tejun Heo <tj@...nel.org>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org,
	Linux Regressions <regressions@...ts.linux.dev>,
	linux-mm <linux-mm@...ck.org>,
	Anders Roxell <anders.roxell@...aro.org>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: WARNING: CPU: 1 PID: 23 at kernel/workqueue.c:4317 enable_work
 (kernel/workqueue.c:4317 (discriminator 1) kernel/workqueue.c:4488
 (discriminator 1))

On Tue, Jan 07, 2025 at 05:11:02PM +0530, Naresh Kamboju wrote:
> # first bad commit: [adcfb264c3ed51fbbf5068ddf10d309a63683868] vmstat:
> disable vmstat_work on vmstat_cpu_down_prep()

Looks like it added unbalanced enable/disable (maybe in the error path?).
Linus already reverted it. I suppose Koichiro will try again soon.

Thanks.

-- 
tejun